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Marquise|Lab Grown|IGI

1.69ct G IF Marquise Lab Grown Diamond

ID • G/IF • IGI LG631468294

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG631468294

Diamond specifications and retailer prices

From £2,184 GBP
$2,940 USD
As of November 4, 2026
2 retailers carry this diamond
Most expensive: £2,184 GBP at Brilliant Earth
View at Brilliant Earth

About this 1.69ct lab-grown marquise diamond

This 1.69ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG631468294 or 631468294. Listed at 2 retailers as of November 4, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.69
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631468294
Dimensions12.14 × 6.30 × 3.80 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.14 mm6.30 mm1.69 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631468294
Side View
Table 61.0%Crown 35.5°Girdle: STK-THKPavilion 40°Culet: NoneDepth 60.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £2,184 GBP|Low: £739 GBP|High: £5,506 GBP|Avg: £2,072 GBP|-5.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
September 9, 2026
Retailer 13£739 GBP
Retailer 12£739 GBP
Retailer 8£913 GBP
Retailer 7£1,015 GBP
Retailer 2£1,217 GBP
Retailer 14£1,430 GBP
Retailer 10£1,484 GBP
Retailer 3£1,600 GBP
Retailer 11£2,038 GBP
Brilliant Earth£2,184 GBP
Retailer 6£2,515 GBP
Retailer 4£2,828 GBP
Retailer 9£2,940 GBP
Retailer 5£5,506 GBP

81 data points across 14 retailers

2 retailers

Retailer 1
-
£1,484 GBP
Price last confirmed 80 days ago
Most Expensive
B
Brilliant Earth
18396255B · Nov 4
£2,184 GBP
$2,940 USD
View
1 more retailer has this diamond

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.69ct Marquise
£2,184 GBP